Giant topiary dog once played a role in a terrorist bomb plot.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

A monument celebrating the idea of reaching inaccessible places.

This stunning concert hall has become a symbol of Iceland's national recovery.

Canada’s surprisingly controversial monument to Dwight Eisenhower.

Few other hotels can rival the grandeur of the Castle in the Rockies.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

Mesoamerican monoliths and zoomorphic stones covered in royal visages, ancient mythology, and grand celestial events.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

This massive Maya archaeological site is home to the tallest man-made structure in Belize.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

An important Mayan religious and trading center dating back to 200 BC.

The oldest bridge in South Carolina may have been designed by the same man who created the Washington Monument.

This chicken coop pays homage to a classic architectural style made famous throughout the southern United States.

These eerie outliers of the lightning bug family glow a mysterious blue color.

On the Pakistan-India border the militaries perform an elaborate theater of aggression each and every night.

This peaceful Sikh gurudwara serves around 50,000 free meals every day within its gilded walls.

The abandoned site of the Beatles spiritual awakening and subsequent revolt.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

The beautiful 16th-century stepwell lies in the shadow of a famous fortress.

This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.

The world's second-largest sundial, made entirely out of stone.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.